publish libraries to avoid users to have to download them one by one
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/******************************************************************************
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I2C_ReadAllData.ino
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BME280 Arduino and Teensy example
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Marshall Taylor @ SparkFun Electronics
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May 20, 2015
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https://github.com/sparkfun/SparkFun_BME280_Arduino_Library
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This sketch configures the BME280 to read all measurements. The sketch also
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displays the BME280's physical memory and what the driver perceives the
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calibration words to be.
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Resources:
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Uses Wire.h for I2C operation
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Uses SPI.h for SPI operation
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Development environment specifics:
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Arduino IDE 1.6.4
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Teensy loader 1.23
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This code is released under the [MIT License](http://opensource.org/licenses/MIT).
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Please review the LICENSE.md file included with this example. If you have any questions
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or concerns with licensing, please contact techsupport@sparkfun.com.
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Distributed as-is; no warranty is given.
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******************************************************************************/
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#include <stdint.h>
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#include "SparkFunBME280.h"
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//Library allows either I2C or SPI, so include both.
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#include "Wire.h"
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#include "SPI.h"
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//Global sensor object
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BME280 mySensor;
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void setup()
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{
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//***Driver settings********************************//
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//commInterface can be I2C_MODE or SPI_MODE
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//specify chipSelectPin using arduino pin names
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//specify I2C address. Can be 0x77(default) or 0x76
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//For I2C, enable the following and disable the SPI section
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mySensor.settings.commInterface = I2C_MODE;
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mySensor.settings.I2CAddress = 0x77;
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//For SPI enable the following and dissable the I2C section
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//mySensor.settings.commInterface = SPI_MODE;
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//mySensor.settings.chipSelectPin = 10;
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//***Operation settings*****************************//
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//renMode can be:
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// 0, Sleep mode
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// 1 or 2, Forced mode
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// 3, Normal mode
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mySensor.settings.runMode = 3; //Normal mode
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//tStandby can be:
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// 0, 0.5ms
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// 1, 62.5ms
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// 2, 125ms
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// 3, 250ms
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// 4, 500ms
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// 5, 1000ms
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// 6, 10ms
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// 7, 20ms
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mySensor.settings.tStandby = 0;
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//filter can be off or number of FIR coefficients to use:
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// 0, filter off
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// 1, coefficients = 2
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// 2, coefficients = 4
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// 3, coefficients = 8
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// 4, coefficients = 16
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mySensor.settings.filter = 0;
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//tempOverSample can be:
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// 0, skipped
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// 1 through 5, oversampling *1, *2, *4, *8, *16 respectively
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mySensor.settings.tempOverSample = 1;
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//pressOverSample can be:
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// 0, skipped
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// 1 through 5, oversampling *1, *2, *4, *8, *16 respectively
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mySensor.settings.pressOverSample = 1;
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//humidOverSample can be:
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// 0, skipped
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// 1 through 5, oversampling *1, *2, *4, *8, *16 respectively
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mySensor.settings.humidOverSample = 1;
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Serial.begin(57600);
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Serial.print("Program Started\n");
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Serial.print("Starting BME280... result of .begin(): 0x");
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//Calling .begin() causes the settings to be loaded
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delay(10); //Make sure sensor had enough time to turn on. BME280 requires 2ms to start up.
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Serial.println(mySensor.begin(), HEX);
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Serial.print("Displaying ID, reset and ctrl regs\n");
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Serial.print("ID(0xD0): 0x");
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Serial.println(mySensor.readRegister(BME280_CHIP_ID_REG), HEX);
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Serial.print("Reset register(0xE0): 0x");
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Serial.println(mySensor.readRegister(BME280_RST_REG), HEX);
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Serial.print("ctrl_meas(0xF4): 0x");
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Serial.println(mySensor.readRegister(BME280_CTRL_MEAS_REG), HEX);
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Serial.print("ctrl_hum(0xF2): 0x");
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Serial.println(mySensor.readRegister(BME280_CTRL_HUMIDITY_REG), HEX);
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Serial.print("\n\n");
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Serial.print("Displaying all regs\n");
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uint8_t memCounter = 0x80;
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uint8_t tempReadData;
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for(int rowi = 8; rowi < 16; rowi++ )
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{
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Serial.print("0x");
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Serial.print(rowi, HEX);
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Serial.print("0:");
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for(int coli = 0; coli < 16; coli++ )
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{
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tempReadData = mySensor.readRegister(memCounter);
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Serial.print((tempReadData >> 4) & 0x0F, HEX);//Print first hex nibble
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Serial.print(tempReadData & 0x0F, HEX);//Print second hex nibble
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Serial.print(" ");
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memCounter++;
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}
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Serial.print("\n");
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}
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Serial.print("\n\n");
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Serial.print("Displaying concatenated calibration words\n");
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Serial.print("dig_T1, uint16: ");
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Serial.println(mySensor.calibration.dig_T1);
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Serial.print("dig_T2, int16: ");
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Serial.println(mySensor.calibration.dig_T2);
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Serial.print("dig_T3, int16: ");
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Serial.println(mySensor.calibration.dig_T3);
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Serial.print("dig_P1, uint16: ");
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Serial.println(mySensor.calibration.dig_P1);
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Serial.print("dig_P2, int16: ");
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Serial.println(mySensor.calibration.dig_P2);
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Serial.print("dig_P3, int16: ");
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Serial.println(mySensor.calibration.dig_P3);
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Serial.print("dig_P4, int16: ");
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Serial.println(mySensor.calibration.dig_P4);
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Serial.print("dig_P5, int16: ");
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Serial.println(mySensor.calibration.dig_P5);
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Serial.print("dig_P6, int16: ");
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Serial.println(mySensor.calibration.dig_P6);
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Serial.print("dig_P7, int16: ");
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Serial.println(mySensor.calibration.dig_P7);
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Serial.print("dig_P8, int16: ");
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Serial.println(mySensor.calibration.dig_P8);
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Serial.print("dig_P9, int16: ");
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Serial.println(mySensor.calibration.dig_P9);
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Serial.print("dig_H1, uint8: ");
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Serial.println(mySensor.calibration.dig_H1);
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Serial.print("dig_H2, int16: ");
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Serial.println(mySensor.calibration.dig_H2);
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Serial.print("dig_H3, uint8: ");
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Serial.println(mySensor.calibration.dig_H3);
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Serial.print("dig_H4, int16: ");
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Serial.println(mySensor.calibration.dig_H4);
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Serial.print("dig_H5, int16: ");
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Serial.println(mySensor.calibration.dig_H5);
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Serial.print("dig_H6, uint8: ");
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Serial.println(mySensor.calibration.dig_H6);
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Serial.println();
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}
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void loop()
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{
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//Each loop, take a reading.
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//Start with temperature, as that data is needed for accurate compensation.
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//Reading the temperature updates the compensators of the other functions
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//in the background.
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Serial.print("Temperature: ");
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Serial.print(mySensor.readTempC(), 2);
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Serial.println(" degrees C");
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Serial.print("Temperature: ");
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Serial.print(mySensor.readTempF(), 2);
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Serial.println(" degrees F");
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Serial.print("Pressure: ");
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Serial.print(mySensor.readFloatPressure(), 2);
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Serial.println(" Pa");
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Serial.print("Altitude: ");
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Serial.print(mySensor.readFloatAltitudeMeters(), 2);
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Serial.println("m");
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Serial.print("Altitude: ");
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Serial.print(mySensor.readFloatAltitudeFeet(), 2);
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Serial.println("ft");
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Serial.print("%RH: ");
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Serial.print(mySensor.readFloatHumidity(), 2);
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Serial.println(" %");
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Serial.println();
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delay(1000);
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}
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